PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-C-613Countersink

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5133-00-293-1903 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-00-293-1903 — this item is cataloged by the U.S. Government under National Stock Number 5133-00-293-1903. Primary manufacturer part number: GGG-C-613.
Features
  • Countersink — FSC 5133
  • Cutting End Style: STRAIGHT FLUTE POINT END
  • Shank Style: STRAIGHT ROUND
  • Hardness Rating: 62.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM
  • Features Provided: TAPERED REAMER
  • Included Angle: 100.0 DEGREES NOMINAL
  • Material: STEEL OVERALL
  • Shank Diameter: 0.375 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Countersink, cataloged under National Stock Number 5133-00-293-1903, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5133-00-293-1903
Primary Part NumberGGG-C-613
Item NameCountersink
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Cutting End StyleSTRAIGHT FLUTE POINT END
Shank StyleSTRAIGHT ROUND
Hardness Rating62.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM
Features ProvidedTAPERED REAMER
Included Angle100.0 DEGREES NOMINAL
MaterialSTEEL OVERALL
Shank Diameter0.375 INCHES NOMINAL IN
Body Diameter0.500 INCHES NOMINAL IN
Cutting Rotation DirectionRIGHT-HAND
Specification/standard Data05047-ASME B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5985-00-252-261823512 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5950-00-645-913123512 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc Div Space & Airborne Systems
3030-00-837-080023512 INTERCHANGEABLE
Belts,v,matched Set
Monarch Machine Tool Co the
5133-00-995-1877 INTERCHANGEABLE
Countersink
2540-01-100-07942-3512 INTERCHANGEABLE
Drawbar
Pdi Ground Support Systems, Inc.
5310-01-171-145023512 INTERCHANGEABLE
Washer,spring Tension
Triumph Engine Control Systems Llc
3120-01-189-757123512 INTERCHANGEABLE
Bushing,sleeve
Moog Inc. Dba Ampac-Isp Corp
9925-01-494-2012 INTERCHANGEABLE
Lectionary,sunday
4720-01-497-0315285-12 INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
5305-01-667-748723512 INTERCHANGEABLE
Screw,cap,socket Head
Fastenal Company Div Mrfl
Cross-Reference Index
Part NumberManufacturer
GGG-C-613 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B94.2 The American Society of Mechanical Engineers (USA)
1750 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
23512 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
GGG-C-613 TY4CLASZ1/2 General Services Administration Federal Supply Service (USA)
1750 Morse Cutting Tools (USA)
23512 Morse Cutting Tools (USA)
Related Parts
5985-00-252-2618INTERCHANGEABLE
COUPLER,DIRECTIONAL
23512
5950-00-645-9131INTERCHANGEABLE
REACTOR
23512
3030-00-837-0800INTERCHANGEABLE
BELTS,V,MATCHED SET
23512
5133-00-995-1877INTERCHANGEABLE
COUNTERSINK
2540-01-100-0794INTERCHANGEABLE
DRAWBAR
2-3512
5310-01-171-1450INTERCHANGEABLE
WASHER,SPRING TENSION
23512
3120-01-189-7571INTERCHANGEABLE
BUSHING,SLEEVE
23512
9925-01-494-2012INTERCHANGEABLE
LECTIONARY,SUNDAY
4720-01-497-0315INTERCHANGEABLE
HOSE,NONMETALLIC
285-12
5305-01-667-7487INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
23512
5305-01-668-9862INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD

Frequently Asked Questions

What is NSN 5133-00-293-1903?

NSN 5133-00-293-1903 is a Countersink, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-00-293-1903?

NSN 5133-00-293-1903 has 7 cross-referenced part numbers: GGG-C-613 (Federal Specifications Promulgated by General Services Administration Washington DC), B94.2 (The American Society of Mechanical Engineers), 1750 (Morse Cutting Tools Div of Morse Cutting Tool Corp), 23512 (Morse Cutting Tools Div of Morse Cutting Tool Corp), GGG-C-613 TY4CLASZ1/2 (General Services Administration Federal Supply Service) and 2 more.

What NSN replaces 5133-00-293-1903?

There are 11 known substitutes for 5133-00-293-1903: 5985-00-252-2618, 5950-00-645-9131, 3030-00-837-0800 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-C-613?

Key specifications for GGG-C-613: Cutting End Style: STRAIGHT FLUTE POINT END; Shank Style: STRAIGHT ROUND; Special Features: 3 OR 4 FLUTE; Hardness Rating: 62.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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